| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 740.0 | USD | 20190422 |
| Unknown | China national standards | MT | 270.0 | USD | 20190421 |
| Unknown | China national standards | MT | 1160.0 | USD | 20190421 |
| Unknown | China national standards | MT | 570.0 | USD | 20190421 |
| Unknown | China national standards | MT | 490.0 | USD | 20190420 |
| Unknown | China national standards | MT | 520.0 | USD | 20190420 |
| Unknown | China national standards | MT | 2600.0 | USD | 20190420 |
| Unknown | China national standards | MT | 6470.0 | USD | 20190420 |
| Unknown | China national standards | MT | 2600.0 | USD | 20190420 |
| Unknown | China national standards | MT | 1810.0 | USD | 20190420 |